Earphone and electronic equipment system

Abstract

The utility model discloses an earphone and an electronic equipment system, and relates to the technical field of electronic equipment. The earphone comprises an earphone cover, the earphone cover comprises a first part and a second part which are stacked in sequence, the second part is used for being connected with an earphone body, and a binding face is formed on the side, away from the second part, of the first part and used for being bound with at least part of the human ear part; the hardness of the first part is smaller than that of the second part; the thickness, corresponding to a first position, of the first part is smaller than the thickness, corresponding to a second position, of the first part, the first position and the second position are sequentially arranged in the first direction, the thickness, corresponding to the first position, of the second part is larger than the thickness, corresponding to the second position, of the second part, and the second part is matched with the first part; wherein the first direction is a specified radial direction of the earphone.

Description

Technical Field

[0001] This application relates to the field of electronic device technology, and more particularly to an earphone and electronic device system. Background Technology

[0002] Headphones are devices used for personal audio transmission and reception. They convert electrical signals into sound signals and transmit them to the user's ears to provide a private listening experience. Headphones improve the convenience and flexibility of people's work and life.

[0003] Headphones can be categorized into over-ear headphones, on-ear headphones, in-ear headphones, on-ear headphones, open-back headphones, and so on, catering to the needs of different users and in different scenarios.

[0004] However, none of the aforementioned headphones can combine noise cancellation and comfort, and therefore cannot meet the needs of prolonged wear. Utility Model Content

[0005] The first aspect of this application provides an earphone, which includes...

[0006] The earphone cover includes a first part and a second part stacked in sequence. The second part is used to connect to the earphone body. The side of the first part opposite to the second part forms a fitting surface for fitting at least part of the human ear.

[0007] The hardness of the first part is less than the hardness of the second part;

[0008] The thickness of the first part corresponding to the first position is less than the thickness corresponding to the second position. The first position and the second position are arranged sequentially along the first direction. The thickness of the second part corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part.

[0009] Wherein, the first direction is the specified radial direction of the headphones.

[0010] In some modified embodiments of the first aspect of this application, the aforementioned earphones, wherein the second portion is deformable.

[0011] In some modified embodiments of the first aspect of this application, the aforementioned earphones, wherein the air permeability of the first portion is less than the air permeability of the second portion.

[0012] In some modified embodiments of the first aspect of this application, the aforementioned earphone, wherein the thickness of the first portion gradually increases along the first direction, and the thickness of the second portion gradually decreases along the first direction.

[0013] In some modified embodiments of the first aspect of this application, the aforementioned earphone, wherein the thickness of the first portion corresponding to the helix, antihelix, and earlobe is greater than the thickness of other portions.

[0014] In some modified embodiments of the first aspect of this application, the aforementioned headphones further include a headband; each end of the headband is provided with a headphone body;

[0015] Wherein, the headband is located at an angle of 115 degrees ± 5 degrees to the first direction; the first straight line and the contact surface are parallel.

[0016] In some modified embodiments of the first aspect of this application, the aforementioned earphones further include a microphone arm;

[0017] One end of the microphone arm is rotatably connected to the headphone body, so that the other end of the microphone arm can rotate around the headphone body to a sound-receiving state;

[0018] The microphone arm is in the sound-receiving state, and the microphone arm is parallel to the first direction.

[0019] In some modified embodiments of the first aspect of this application, the aforementioned earphones, wherein the orthographic projection of the contact surface along the second direction is rectangular;

[0020] Wherein, the second direction is perpendicular to the direction from the first part to the second part.

[0021] In some modified embodiments of the first aspect of this application, the aforementioned earphone, wherein the second part is an annular structure, the annular portion of which is used to correspond to and expose the sound hole of the earphone body;

[0022] The first part is a ring structure, and the orthographic projection of the first part along a third direction at least completely covers the second part; or

[0023] The first part is a plate, and the orthographic projection of the first part along a third direction at least completely covers the second part; or

[0024] The first part has a groove, the opening of which faces the annular portion of the second part, and the orthographic projection of the first part along a third direction at least completely covers the second part;

[0025] Wherein, the third direction is the direction from the first part to the second part.

[0026] A second aspect of this application provides an electronic device system, which includes...

[0027] Electronic devices;

[0028] The headphones are signal-connected to the main body of the electronic device so as to output audio according to the signal of the electronic device;

[0029] The headphones include an earphone cover, which includes a first part and a second part stacked in sequence. The second part is used to connect to the headphone body. The side of the first part opposite to the second part forms a fitting surface for fitting at least part of the human ear.

[0030] The thickness of the first part corresponding to the first position is less than the thickness corresponding to the second position. The first position and the second position are arranged sequentially along the first direction. The thickness of the second part corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part.

[0031] Wherein, the first direction is the specified radial direction of the headphones. Attached Figure Description

[0032] The above and other objects, features, and advantages of exemplary embodiments of this application will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of this application are illustrated by way of example and not limitation, with the same or corresponding reference numerals denoteing the same or corresponding parts, wherein:

[0033] Figure 1 Common headphone forms are illustrated schematically;

[0034] Figure 2 A schematic diagram of a first structural embodiment of the earphone provided in this embodiment is shown.

[0035] Figure 3 schematically shown Figure 2 The exterior of the headphones;

[0036] Figure 4 A schematic diagram of the structure of the first part of the headphone cover provided in this embodiment is shown.

[0037] Figure 5 A schematic diagram of the structure of the second part of the headphone cover provided in this embodiment is shown.

[0038] Figure 6 A schematic cross-sectional view of the headphone cover provided in this embodiment is shown.

[0039] Figure 7 This diagram schematically illustrates the pressure distribution when a traditional headphone cover is fitted to the human ear.

[0040] Figure 8 A schematic diagram of the structure of the human ear is shown.

[0041] Figure 9 This diagram schematically illustrates the earphones provided in this embodiment being in a wearing state;

[0042] Figure 10 The diagram illustrates the pressure distribution when the earphone provided in this embodiment is fitted to the human ear.

[0043] Figure 11 The noise reduction curve of the headphone cover is shown schematically;

[0044] The following are the diagram numbers: 1. Headphone body; 2. Headphone cover; 21. First part; 22. Second part; 23. Fitting surface; 3. Outer layer; 31. Through hole; 4. Headband; 5. Microphone arm; 6. First direction a; 7. Second direction b; 8. Third direction c. Detailed Implementation

[0045] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0046] It should be noted that, unless otherwise stated, the technical or scientific terms used in this application shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application pertains.

[0047] Reference Appendix Figure 1 The image, from left to right, shows over-ear headphones, on-ear headphones, earbuds, in-ear headphones, and open-back headphones. In terms of noise cancellation, over-ear headphones offer the best effect, completely covering the listener's ears, resulting in superior passive noise cancellation. However, due to their bulkiness, on-ear, earbud, or in-ear headphones are often chosen for portability, sacrificing some noise cancellation performance. While in-ear headphones offer good passive noise cancellation and are convenient to carry because they go directly into the ear canal, their intrusive design can cause discomfort. In summary, in terms of noise cancellation effectiveness, over-ear > in-ear > on-ear > earbud > open-back; in terms of comfort, open-back > on-ear > earbud > in-ear > over-ear.

[0048] In other words, there is a lack of headphones that combine passive noise cancellation with comfort.

[0049] The technical solution of this application embodiment is to solve the above-mentioned technical problems, and the general idea is as follows:

[0050] Example 1

[0051] Reference Appendix Figure 2 and attached Figure 3 The earphone provided in this application embodiment may include an earphone body 1 and an earphone cover 2. The earphone cover 2 includes a first part 21 and a second part 22 stacked sequentially. The second part 22 is used to connect to the earphone body 1. The side of the first part 21 facing away from the second part 22 forms a fitting surface 23 for fitting at least part of the human ear. The hardness of the first part 21 is less than that of the second part. The thickness of the first part 21 corresponding to the first position is less than the thickness corresponding to the second position. The first position and the second position are arranged sequentially along a first direction a. The thickness of the second part 22 corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part 21. Wherein, the first direction a is the specified radial direction of the earphone.

[0052] Specifically, in order to solve the problem that existing headphones cannot combine noise cancellation and comfort, the headphones provided in this embodiment have the headphone cover 2 configured to include a first part 21 and a second part 22 with different hardnesses in the thickness direction, which improves the force transmission effect and fit; at the same time, the thickness of the first part 21 and the second part 22 is specially designed in the first direction a, so that the softer first part 21 has a larger thickness at the second position, so as to provide greater containment and deformation. When subjected to clamping force towards the face, it can cooperate with the smaller thickness at the corresponding first position to improve the fit to the face, which not only improves the passive noise cancellation effect but also meets the requirements of comfort.

[0053] The headphones provided in this embodiment can be as follows: Figure 2 The headphones shown can also be ear-hook headphones, that is, two independent earphones, each with an ear clip that can be hooked and pressed together by the ear helix. This type of headphone is easily understood by those skilled in the art and will not be described in detail here. The headphones provided in this embodiment must have at least a contact surface 23 to fit part of the ear and part of the face, as a prerequisite for both passive noise reduction and comfort.

[0054] The earphone body 1 is the portion that houses core components, including but not limited to the sound-generating unit. The earphone cover 2 is a structure located on the sound-emitting side of the earphone body 1, designed to contact the face and ears to provide a comfortable wearing experience and isolate external noise. Of course, it is understandable that, as shown in the attached diagram... Figure 3In this embodiment, the earphone may further include an outer layer 3, which covers the earphone cover 2 and serves as the outer surface of the earphone, directly contacting the face and ears. The outer layer 3 is made of a flexible material, which may be, but is not limited to, leather, making it easy to clean and providing high comfort against the skin. The outer layer 3 may cover only the contact surface 23, or it may cover the entire earphone cover 2, including the sides. The outer layer 3 has several through holes 31 for audio transmission. This setting is easily understood by those skilled in the art and will not be elaborated further here. The contact surface 23 is the side of the first part 21 that is away from the second part 22. In this embodiment, the contact surface 23 is a flat surface without any parts with height differences. It can also be said that the orthographic projection of the contact surface 23 along the second direction b is a rectangle; wherein, the second direction b is perpendicular to the direction from the first part 21 to the second part 22. In this embodiment, the shape and size of the earphone body 1 can be designed and adjusted according to actual product design needs. For example, it may be: Figure 2 The circle shape can also be elliptical, square, irregular, etc., and the shape and size of the earphone cover 2 should be adapted to the earphone body 1 accordingly. (See attached reference.) Figure 9 In this embodiment, the first direction 'a' is the direction in which the mouth points towards the ear when the earphone is actually worn; see attached diagram. Figure 7 When headphones are worn, they are held in place by the headband or ear hook to fit snugly against the ears. The circular area in the image represents the area where the headphone cover fits against the user; the lighter-colored area indicates higher pressure, and the darker-colored area indicates lower pressure. This is further illustrated by the accompanying... Figure 8It is not difficult to understand that traditional headphones have less contact and less pressure at the positions corresponding to the concha and the opening of the external auditory canal, and more contact and greater pressure at the positions corresponding to the helix and the antihelix. That is, the pressure gradually increases in the first direction a. Therefore, in this embodiment, the thickness of the first part 21 of the headphone cover 2 at the first and second positions along the first direction a is designed differently. The first position can be the position corresponding to the concha and the opening of the external auditory canal, and the second position can be the position corresponding to the helix. The thickness of the first part 21 at the second position is larger, thus providing greater deformation capacity, a larger compressibility range, and a greater indentation compensation capacity. That is, when the first part 21 is pressed against the ear by clamping force, the degree of indentation of the first part 21 at the second position is greater than that at the second position. The first part 21 at the first position undergoes deformation compensation, thus ensuring that the sealing between the first part 21 at the corresponding first position and the concha and the face is not affected, and the first part 21 at the corresponding first position will not be lifted up. This achieves uniform force distribution along the first direction a under the premise of equal clamping force, which not only improves the width, frequency and depth of passive noise cancellation, but also improves wearing comfort. The consistent degree of fit with the ear and face in the first direction a effectively guarantees the passive noise cancellation effect. At the same time, in this embodiment, the hardness of the first part 21 is set to be less than that of the second part 22. The second part 22 can provide effective support performance, and the greater hardness of the second part 22 can also improve the uniformity of force distribution to cooperate with the first part 21 in force transmission, thereby improving the uniformity of force distribution along the first direction a. The first part 21 and the second part 22 can be made of the same material or different materials. For example, both the first part 21 and the second part 22 can be memory foam, with the first part 21 being dense and soft, and the second part 22 being lightweight and hard. Alternatively, the first part 21 can be liquid silicone or latex, and the second part 22 can be lightweight hard foam. In this embodiment, the first part 21 and the second part 22 can be connected by adhesive bonding. The connecting surfaces can be flat surfaces or uneven or serrated surfaces.

[0055] According to the above, the headphones provided in this application can improve the force transmission effect by setting the headphone cover to an inner and outer double-layer structure with different softness and hardness. At the same time, the thickness of the first part 21 is designed differently for the first position and the second position to improve the fit of the headphone cover to the face, improve the passive noise reduction effect and meet the comfort requirements; thereby solving the problem that headphones in the prior art cannot combine noise reduction and comfort.

[0056] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships, such as A and / or B. Specifically, it can be understood as: A and B can be included at the same time, A can exist alone, or B can exist alone, and any of the above three situations can be met.

[0057] Furthermore, in the specific implementation of the earphone provided in this embodiment, the second part 22 is deformable.

[0058] Understandably, to improve the comfort of the earphone cover 2, in this embodiment, the second part 22 can be made of a deformable material instead of a purely rigid material, such as memory foam. This makes the earphone cover 22 deformable overall, reducing pressure on the ear and improving comfort. For example, using the Shore hardness test principle in this embodiment, with a clamping force of 3.5N, the hardness of the first part 21 can be set to 5-15 degrees, and the hardness of the second part 22 can be set to 20-30 degrees. The first part 21 fits well with the ear and face. When the clamping force increases, the thickness of the first part 21 can increase overall, and the hardness of the second part 22 can decrease overall; when the clamping force decreases, the thickness of the first part 21 can decrease overall, and the hardness of the second part 22 can increase overall.

[0059] Furthermore, in the specific implementation of the headphones provided in this embodiment, the air permeability of the first part 21 is less than that of the second part 22.

[0060] It is understandable that the smaller the air permeability of the material or the headphone cover, the better the sealing performance, and the better the passive noise reduction effect after it fits against the ear and face. Therefore, in order to ensure the passive noise reduction effect of the headphones, in this embodiment, the air permeability of the first part 21 can be set to be less than that of the second part 22. For example, the air permeability of the first part 21 is 0, while the second part 22 can have a certain amount of air permeability.

[0061] Further, see attached document. Figure 4 and attached Figure 5 In the earphone provided in this embodiment, in a specific implementation, the thickness of the first part 21 gradually increases along the first direction a, and the thickness of the second part 22 gradually decreases along the first direction a.

[0062] Understandably, in order to simplify the manufacturing process of the headphone cover and improve its universal applicability, in this embodiment, the thickness of the first part 21 along the first direction a is set to gradually increase, and correspondingly, the thickness of the second part 22 along the first direction a is set to gradually decrease, so that the two fit together to form a headphone cover 2 with uniform thickness in the first direction a, for example: Figure 6As shown, the angle between the maximum and minimum thickness points on the second part 22 can be 4 degrees. Setting the thickness to gradually change along the first direction a can reduce the difficulty of the manufacturing process and avoid the difficulties in mold forming, demolding, and molding processes caused by increasing or decreasing the thickness at different or specific locations. At the same time, since everyone's ears are not exactly the same, the headphone cover 2 needs to have greater inclusiveness. Therefore, setting it to directional and regional thickness changes can achieve universal applicability for more people.

[0063] Further, see attached document. Figure 7 and attached Figure 8 In the earphone provided in this embodiment, in a specific implementation, the thickness of the first part 21 corresponding to the helix, antihelix and earlobe is greater than the thickness of other parts.

[0064] Understandably, in order to accurately and specifically improve the structure of the headphone cover 2, this embodiment can perform structural design at corresponding positions based on simulation of the headphone wearing pressure distribution, for example: Figure 7 As shown, when headphones are worn, they are held in place by the headband or headband to fit snugly against the ears. The circles in the image represent the areas where the headphone covers fit the ears; lighter-colored areas indicate higher pressure, while darker-colored areas indicate lower pressure. This is further illustrated by the accompanying diagram. Figure 8 It is not difficult to understand that traditional headphones have less contact and less pressure at the corresponding concha and external auditory canal openings, while they have more contact and greater pressure at the corresponding helix and antihelix. Therefore, in this embodiment, the thickness of the corresponding helix, antihelix, and earlobe positions can be set to be greater than that of other positions. Of course, this is done under the premise that the thickness gradually increases along the first direction a, that is, the thickness of the corresponding helix, antihelix, and earlobe positions is set to be greater than that of other positions, and the thickness of the corresponding helix and antihelix positions is greater than that of the corresponding earlobe position, so as to perform targeted concave compensation. Of course, in order to improve universal applicability, the thickness can also be increased over a larger range around the above-mentioned corresponding positions to accommodate more people.

[0065] Further, see attached document. Figure 9 The headphones provided in this embodiment also include a headband 4 in a specific implementation; each end of the headband 4 is provided with a headphone body 1; wherein the first straight line of the headband 4 is at an angle of 115 degrees ± 5 degrees with the first direction a; the first straight line and the contact surface 23 are parallel.

[0066] It is understandable that, for headphones, the first direction a in this embodiment can be a direction that forms an angle of 115 degrees ± 5 degrees with the first straight line. The first straight line here is the part of the headband 4 that satisfies the parallel condition with the contact surface 23, that is, the straight line of the non-arc area of ​​the headband 4 that crosses the width of the head, or the straight line of the headband located on both sides of the head. The parallel condition here can be that they are parallel to each other or approximately parallel.

[0067] Further, see attached document. Figure 9 The earphone provided in this embodiment further includes a microphone arm 5 in a specific implementation; one end of the microphone arm 5 is rotatably connected to the earphone body 1 so that the other end of the microphone arm 5 can rotate around the earphone body 1 to a sound receiving state; wherein, when the microphone arm 5 is in the sound receiving state, the microphone arm 5 is parallel to the first direction a.

[0068] It is understandable that, in order to expand the applicability of the headphones provided in this embodiment, a microphone arm 5 can also be provided in this embodiment to realize the sound receiving function of the headphones. Accordingly, the second end of the microphone arm 5 is provided with a sound receiving port. When the microphone arm 5 is in the sound receiving state, that is, the sound receiving port is close to and facing the mouth of the person, and the first end is also in the position of the ear along with the headphone body 1. This setting can be easily understood by those skilled in the art, and will not be described in detail here. It is not difficult to understand that the first direction a in this embodiment can be parallel to the microphone arm 5 in the sound receiving state.

[0069] Furthermore, in the specific implementation of the earphone provided in this embodiment, the second part 22 is a ring structure, and its annular hollow part is used to correspond to and expose the sound hole of the earphone body 1;

[0070] The first part 21 is a ring structure, and the orthographic projection of the first part 21 along the third direction c at least completely covers the second part 22; or

[0071] The first part 21 is a plate, and the orthographic projection of the first part 21 along the third direction c at least completely covers the second part 22; or

[0072] The first part 21 has a groove, the opening of which faces the annular portion of the second part 22, and the orthographic projection of the first part 21 along a third direction c at least completely covers the second part 22;

[0073] Wherein, the third direction c is the direction from the first part 21 to the second part 22.

[0074] It is understood that the second part 22 is used for connection and transition between the first part 21 and the headphone body 1, and it needs to avoid the sound hole of the headphone body 1. Therefore, the second part 22 can be designed as a ring structure. At the same time, in order to achieve the cooperation between the first part 21 and the second part 22, the following methods can be used in this embodiment, but are not limited to:

[0075] The first option is to also set the first part 21 as a ring structure, and the orthographic projection of the first part 21 along the third direction c at least completely covers the second part 22. In this setting, the structure of the first part 21 corresponds completely to the structure of the second part 22, and the fitting surface 23 is ring-shaped. Therefore, the earphone cover 2 uses less material, which can effectively reduce costs.

[0076] The second type: The first part 21 is a plate, and the orthographic projection of the first part 21 along the third direction c at least completely covers the second part 22; In this setting, the contact surface 23 is a complete circular surface, and the first part 21 covers the annular position of the second part 22, which increases the contact area with the face and ears, improves the uniformity of force, and it can be understood that in this setting, the first part 21 can be provided with a through hole along the third direction c to penetrate the first part 21 in order to cooperate with the headphone body 1 for sound transmission.

[0077] The third type: See attached document Figure 4 The first part 21 has a groove, the opening of which faces the annular portion of the second part 22, and the orthographic projection of the first part 21 along the third direction c at least completely covers the second part 22. In this configuration, the mating surface 23 is a complete circular surface, and the groove is formed by hollowing out the interior of the first part 21. This not only saves materials and reduces costs, but also reduces the sound transmission distance within the first part 21 and improves the passive noise reduction effect.

[0078] Furthermore, with a clamping force of 3.5N as a prerequisite, both the first part 21 and the second part 22 are made of memory foam, and the hardness of the first part 21 is controlled to be 5-15 degrees, and the hardness of the second part 22 is controlled to be 20-30 degrees. The thickness of the first part 21 along the first direction a is set to gradually increase, and the angle between the maximum and minimum thickness points on the second part 22 is set to 4 degrees. The maximum thickness of the second part 21 is 10mm, and the minimum thickness is 5mm, forming a complete earphone cover 2. Wearing simulation and noise reduction tests are then performed on it, as shown in the attached figure. Figure 10 , Figure 10 The middle ring is the area where the earcup 2 fits against the ear. Darker colors apply less pressure, while lighter colors apply more pressure, compared to the attached... Figure 7 The contact area between the earcup 2 and the ear is significantly increased, resulting in a more even pressure distribution; (Reference) Figure 11Curve 1 is the passive noise reduction curve of the entire headphone cover 2, curve 2 is the passive noise reduction curve of the first part 21, and curve 3 is the passive noise reduction curve of the second part 23. This shows that the passive noise reduction effect of the first part 21 in the headphone cover 2 provided in this embodiment is better, and the passive noise reduction effect of the entire headphone cover 2 is similar to the passive noise reduction effect of the first part 21 itself, which can provide a better passive noise reduction effect.

[0079] Example 2

[0080] This embodiment provides an electronic device system, which includes an electronic device and headphones;

[0081] The earphone is signal-connected to the electronic device body to output audio according to the signal of the electronic device; the earphone includes an earphone cover 2, the earphone cover 2 including a first part 21 and a second part 22 stacked in sequence, the second part 22 is used to connect to the earphone body 1, the side of the first part 21 opposite to the second part 22 forms a fitting surface 23 for fitting at least part of the human ear; the thickness of the first part 21 corresponding to the first position is less than the thickness corresponding to the second position, the first position and the second position are arranged in sequence along the first direction a, the thickness of the second part 22 corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part 21; wherein, the first direction a is the specified radial direction of the earphone.

[0082] It is understood that the electronic device provided in this embodiment may be, but is not limited to, a mobile phone, tablet computer, laptop computer, desktop computer, television, etc.; the earphone provided in this embodiment is the same as the earphone provided in Embodiment 1, and its structure and working principle can be referred to the detailed description of Embodiment 1, which will not be repeated here. The signal connection between the electronic device and the earphone may be, but is not limited to, a wireless connection and a wired connection. This setting can be easily understood by those skilled in the art, and will not be repeated here.

[0083] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An earphone, characterized in that, It includes: The earphone cover includes a first part and a second part stacked in sequence. The second part is used to connect to the earphone body. The side of the first part opposite to the second part forms a fitting surface for fitting at least part of the human ear. The hardness of the first part is less than the hardness of the second part; The thickness of the first part corresponding to the first position is less than the thickness corresponding to the second position. The first position and the second position are arranged sequentially along the first direction. The thickness of the second part corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part. Wherein, the first direction is the specified radial direction of the headphones.

2. The earphone according to claim 1, characterized in that: The second part is deformable.

3. The earphone according to claim 1, characterized in that: The air permeability of the first part is less than that of the second part.

4. The earphone according to claim 1, characterized in that: The thickness of the first part gradually increases along the first direction, and the thickness of the second part gradually decreases along the first direction.

5. The headphones according to claim 1 or 4, characterized in that: The thickness of the first part corresponding to the helix, antihelix, and earlobe is greater than the thickness of other parts.

6. The earphone according to claim 1, characterized in that: It also includes headbands; An earphone body is respectively provided at each end of the headband; Wherein, the headband is located at an angle of 115 degrees ± 5 degrees to the first direction; the first straight line and the contact surface are parallel.

7. The earphone according to claim 1, characterized in that: It also includes a microphone arm; One end of the microphone arm is rotatably connected to the headphone body, so that the other end of the microphone arm can rotate around the headphone body to a sound-receiving state; The microphone arm is in the sound-receiving state, and the microphone arm is parallel to the first direction.

8. The earphone according to claim 1, characterized in that: The orthographic projection of the bonding surface along the second direction is a rectangle; Wherein, the second direction is perpendicular to the direction from the first part to the second part.

9. The earphone according to claim 1, characterized in that: The second part is a ring structure, and its annular hollow portion is used to correspond to and expose the sound hole of the headphone body; The first part is a ring structure, and the orthographic projection of the first part along a third direction at least completely covers the second part; or The first part is a plate, and the orthographic projection of the first part along a third direction at least completely covers the second part; or The first part has a groove, the opening of which faces the annular portion of the second part, and the orthographic projection of the first part along a third direction at least completely covers the second part; Wherein, the third direction is the direction from the first part to the second part.

10. An electronic device system, characterized in that, It includes: Electronic devices; The headphones are signal-connected to the main body of the electronic device so as to output audio according to the signal of the electronic device; The headphones include an earphone cover, which includes a first part and a second part stacked in sequence. The second part is used to connect to the headphone body. The side of the first part opposite to the second part forms a fitting surface for fitting at least part of the human ear. The thickness of the first part corresponding to the first position is less than the thickness corresponding to the second position. The first position and the second position are arranged sequentially along the first direction. The thickness of the second part corresponding to the first position is greater than the thickness corresponding to the second position and is adapted to the first part. Wherein, the first direction is the specified radial direction of the headphones.

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